Dump a Cocos2D-x Touch to an ostream like std::cerr

dump_touch.cpp

void dumpTouch(std::ostream& out, const cocos2d::Touch* touch)
{
    if(touch){
        const auto loc = touch->getLocation();
        const auto prev = touch->getPreviousLocation();
        const auto start = touch->getStartLocation();
        const auto delta = touch->getDelta();
        const auto id = touch->getID();
        const auto viewLoc = touch->getLocationInView();
        const auto viewPrev = touch->getPreviousLocationInView();
        const auto viewStart = touch->getStartLocationInView();
        //const auto x = touch->get();
        out << ", id: " << id;
        out << ", loc: (" << loc.x << ", " << loc.y <<")";
        out << ", prev: (" << prev.x << ", " << prev.y <<")";
        out << ", start: (" << start.x << ", " << start.y <<")";
        out << ", delta: (" << delta.x << ", " << delta.y <<")";
        // View loc is y-down
        out << ", view loc: (" << viewLoc.x << ", " << viewLoc.y <<")";
        out << ", view prev: (" << viewPrev.x << ", " << viewPrev.y <<")";
        out << ", view start: (" << viewStart.x << ", " << viewStart.y <<").";
    }
    out << std::endl;
}